TV Model and make : LG 42LA6910 3D TV
If you wish to get some details; visit the sites linked here. Pull up older posts.
https://electronicshelponline.blogspot.com/
http://homenol.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
{View the site in web view by mobile or a desktop to see the search box. Mobile view has no search box.}
SOURCE: TLM 2619 MODEL-DISPLAY PROBLEM
Hi,
Hi,
The most common cause for the loss of picture is a bad Horizontal Output Transistor
(HOT). but I would suggest you get a detailed
estimate. I think that this would cost you about $60.
The horizontal lines means the vertical amplifier or deflection system
has failed. There are over 100 components in this section and any one
of them, or most of them can be at fault. However, the most common
failure is the VOT or vertical output transistor (which is often buried
inside a chip).
The repair will cost around $250 plus or minus.
FEW TROUBLESHOOTING STEPS YOU CAN TRY:
ONE: Do a hard reset (just to make sure there is nothing in the coding
that is fowling things up). Unplug the power cord; leave it disconnected
for 4 hours. That will restore everything to factory defaults when you
power it back up.
TWO: Do the "whacking test" by banging your fist on a few strategic
places to see if there are any cold solder joints or loose wires acting
up inside the set.
If the above steps don't solve ur problem then I suggest you to go for a repair..
Goodluck..
SOURCE: Whitish picture with horizontal lines
CCD FAILURE !
dont worry just call canon and they will repair it FREE of charge as it
is a manufac fault known in thousands of cameras canon has also issued
a service advisory for such models just see the link and call them they
will send a postage paid envelope to pickup camera and it will be
repaired free of charge PLS RATE ME FIXYA for help !
see link Valid thru out the world !
http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=221&modelid=8288&keycode=2112&id=29819
SOURCE: horizontal blue lines with a slight blue wash in the screen
Hi,
Its because of Over Voltage of Screen (G2) to Blue CRT.
Take off front lower cover (speaker grill) and unscrew board. There you will need to find Focus Block mounted having 6 control knobs. 3 knobs are for Focus control and 3 are for Screen volts control. Find Blue Screen control knob and turn is Counter Click Wise slightly until bluish shade disappear on screen including few blue horizontal lines.
If you select AV input to adjust that will be fine as you do not need to wait for dark-scene.
SOURCE: Mitsubishi TV had horizontal lines across the screen and rolls up
Answer
ONE: Yes, the speaker mounted close/near to the set
can be a cause of mischief; please move it further away and see if that
helps clear up the problem. But, you must keep it away for several
days before you will know for sure because it takes some time to
degauss all the internal parts that may have become corrupted by the
magnets in the speaker.
TWO: Yes, any set can be repaired the question is cost and wisdom.
Old sets are sometimes not worthy of the repair simply because of the
likelyhood that another failure will follow soon after. A big screen
always invokes a repair charge of $200 and up. After a few of these you
will wish you had put all the money into a new set!
THREE: The lines are most likely a problem in the vertical blanking
circuits of the set. These are horizontal retrace lines that are
supposed to be blanked out during vertical retrace of the raster.
Think of it as a paintbrush that scans across the screen painting thin
lines and when you get to the bottom of the screen it goes quickly back
to the top, but during that time the horizontal, which is many times
faster, has made several sweeps; so it must be blanked out during the
retrace. The repair involves finding the guilty parts and replacing
them. Usually this repair runs over the $200 somewhat.
FOUR: Prior to calling in a service tech try a hard reset to see if
that will recover any of the circuit degradations. Merely unplug the
power cord and leave unplugged for 4 hours or more. It may help. Or,
it may not help; but worth a try since is won't cost you anything.
If the set is over 5 or 6 years of age it probably is not a condidate
for any expensive repair. On the other hand, it is a Toshiba - and
they make a fine set.
Hope this helps. Let me know if you have further thoughts.
SOURCE: I have a horizontal line going across the picture of my tv.
The panel is bad and will need to be replaced.
188 views
Usually answered in minutes!
×